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                <h1 id="ThinkPHP5-1-清除缓存"><a href="#ThinkPHP5-1-清除缓存" class="headerlink" title="ThinkPHP5.1 清除缓存"></a>ThinkPHP5.1 清除缓存</h1><h2 id="第一种方法"><a href="#第一种方法" class="headerlink" title="第一种方法"></a>第一种方法</h2><blockquote>
<p>在基类控制器里，写上<code>clear()</code>方法，到时候用于调用,在也不是<code>JS</code>里<code>alert(&#39;清除缓存了&#39;)</code><br>当然，5.1取消了<code>CACHE_PATH</code> <code>TEMP_PATH</code>常量，所以要定义这些缓存目录，还需引入<code>use think\facade\Env</code></p>
</blockquote>
<pre class=" language-php"><code class="language-php"><span class="token comment" spellcheck="true">// 我是直接按照文档，设置了2个变量来存储缓存目录，当然还可以在配置文件中进行配置，然后通过config获取</span>
<span class="token keyword">public</span> <span class="token keyword">function</span> <span class="token function">clear</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
    <span class="token variable">$CACHE_PATH</span> <span class="token operator">=</span> Env<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token function">get</span><span class="token punctuation">(</span><span class="token string">'runtime_path'</span><span class="token punctuation">)</span> <span class="token punctuation">.</span> <span class="token string">'cache/'</span><span class="token punctuation">;</span>
    <span class="token variable">$TEMP_PATH</span> <span class="token operator">=</span> Env<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token function">get</span><span class="token punctuation">(</span><span class="token string">'runtime_path'</span><span class="token punctuation">)</span><span class="token punctuation">.</span> <span class="token string">'temp/'</span><span class="token punctuation">;</span>
    <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token function">delete_dir_file</span><span class="token punctuation">(</span><span class="token variable">$CACHE_PATH</span><span class="token punctuation">)</span> <span class="token operator">&amp;&amp;</span> <span class="token function">delete_dir_file</span><span class="token punctuation">(</span><span class="token variable">$TEMP_PATH</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
        <span class="token keyword">return</span> <span class="token function">json</span><span class="token punctuation">(</span><span class="token punctuation">[</span><span class="token string">"code"</span><span class="token operator">=</span><span class="token operator">></span><span class="token number">1</span><span class="token punctuation">,</span><span class="token string">"msg"</span><span class="token operator">=</span><span class="token operator">></span><span class="token string">"清除缓存成功"</span><span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
        <span class="token keyword">return</span> <span class="token function">json</span><span class="token punctuation">(</span><span class="token punctuation">[</span><span class="token string">"code"</span><span class="token operator">=</span><span class="token operator">></span><span class="token number">0</span><span class="token punctuation">,</span><span class="token string">"msg"</span><span class="token operator">=</span><span class="token operator">></span><span class="token string">"清除缓存失败"</span><span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>
<span class="token punctuation">}</span></code></pre>
<hr>
<blockquote>
<p>这个时候发现<code>delete_dir_file()</code>函数未定义，我们去公共函数里进行定义并写出来:<br>由于5.1 没有<code>DS</code>常量了，所以选用<code>DIRECTORY_SEPARATOR</code>来代替</p>
</blockquote>
<p><em>common.php</em>:</p>
<pre class=" language-php"><code class="language-php"><span class="token comment" spellcheck="true">/**
 * 循环删除目录和文件
 * @param string $dir_name
 * @return bool
 */</span>
<span class="token keyword">function</span> <span class="token function">delete_dir_file</span><span class="token punctuation">(</span><span class="token variable">$dir_name</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token variable">$result</span> <span class="token operator">=</span> <span class="token boolean">false</span><span class="token punctuation">;</span>
    <span class="token keyword">if</span><span class="token punctuation">(</span><span class="token function">is_dir</span><span class="token punctuation">(</span><span class="token variable">$dir_name</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">{</span>
        <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token variable">$handle</span> <span class="token operator">=</span> <span class="token function">opendir</span><span class="token punctuation">(</span><span class="token variable">$dir_name</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
            <span class="token keyword">while</span> <span class="token punctuation">(</span><span class="token boolean">false</span> <span class="token operator">!==</span> <span class="token punctuation">(</span><span class="token variable">$item</span> <span class="token operator">=</span> <span class="token function">readdir</span><span class="token punctuation">(</span><span class="token variable">$handle</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
                <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token variable">$item</span> <span class="token operator">!=</span> <span class="token string">'.'</span> <span class="token operator">&amp;&amp;</span> <span class="token variable">$item</span> <span class="token operator">!=</span> <span class="token string">'..'</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
                    <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token function">is_dir</span><span class="token punctuation">(</span><span class="token variable">$dir_name</span> <span class="token punctuation">.</span> <span class="token constant">DIRECTORY_SEPARATOR</span><span class="token punctuation">.</span> <span class="token variable">$item</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
                        <span class="token function">delete_dir_file</span><span class="token punctuation">(</span><span class="token variable">$dir_name</span> <span class="token punctuation">.</span> <span class="token constant">DIRECTORY_SEPARATOR</span><span class="token punctuation">.</span> <span class="token variable">$item</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
                    <span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
                        <span class="token function">unlink</span><span class="token punctuation">(</span><span class="token variable">$dir_name</span> <span class="token punctuation">.</span> <span class="token constant">DIRECTORY_SEPARATOR</span><span class="token punctuation">.</span> <span class="token variable">$item</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
                    <span class="token punctuation">}</span>
                <span class="token punctuation">}</span>
            <span class="token punctuation">}</span>
            <span class="token function">closedir</span><span class="token punctuation">(</span><span class="token variable">$handle</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
            <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token function">rmdir</span><span class="token punctuation">(</span><span class="token variable">$dir_name</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
                <span class="token variable">$result</span> <span class="token operator">=</span> <span class="token boolean">true</span><span class="token punctuation">;</span>
            <span class="token punctuation">}</span>
        <span class="token punctuation">}</span>
    <span class="token punctuation">}</span>
    <span class="token keyword">return</span> <span class="token variable">$result</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span></code></pre>
<h2 id="第二种方法"><a href="#第二种方法" class="headerlink" title="第二种方法"></a>第二种方法</h2><pre class=" language-php"><code class="language-php"><span class="token keyword">public</span> <span class="token keyword">function</span> <span class="token function">delCache</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">if</span> <span class="token punctuation">(</span>Dir<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token function">del</span><span class="token punctuation">(</span>Env<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token function">get</span><span class="token punctuation">(</span><span class="token string">'runtime_path'</span><span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token string">'cache/'</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
        <span class="token variable">$data</span> <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token string">'status'</span> <span class="token operator">=</span><span class="token operator">></span> <span class="token number">1</span><span class="token punctuation">,</span> <span class="token string">'info'</span> <span class="token operator">=</span><span class="token operator">></span> <span class="token string">'缓存删除成功'</span><span class="token punctuation">]</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
        <span class="token variable">$data</span> <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token string">'status'</span> <span class="token operator">=</span><span class="token operator">></span> <span class="token number">0</span><span class="token punctuation">,</span> <span class="token string">'info'</span> <span class="token operator">=</span><span class="token operator">></span> '缓存删除失败<span class="token punctuation">]</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>
    <span class="token keyword">return</span> <span class="token function">json</span><span class="token punctuation">(</span><span class="token variable">$data</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span></code></pre>
<blockquote>
<p>这个需要一个<code>Dir类</code></p>
</blockquote>
<pre class=" language-php"><code class="language-php"><span class="token delimiter">&lt;?php</span>
<span class="token comment" spellcheck="true">// +----------------------------------------------------------------------</span>
<span class="token comment" spellcheck="true">// | ThinkPHP [ WE CAN DO IT JUST THINK IT ]</span>
<span class="token comment" spellcheck="true">// +----------------------------------------------------------------------</span>
<span class="token comment" spellcheck="true">// | Copyright (c) 2009 http://thinkphp.cn All rights reserved.</span>
<span class="token comment" spellcheck="true">// +----------------------------------------------------------------------</span>
<span class="token comment" spellcheck="true">// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )</span>
<span class="token comment" spellcheck="true">// +----------------------------------------------------------------------</span>
<span class="token comment" spellcheck="true">// | Author: superman </span><span class="token markup">&lt;953369865@qq.com></span>
<span class="token comment" spellcheck="true">// +----------------------------------------------------------------------</span>
<span class="token keyword">namespace</span> <span class="token package">Org<span class="token punctuation">\</span>Util</span><span class="token punctuation">;</span>
<span class="token keyword">use</span> <span class="token package">Think<span class="token punctuation">\</span>Db</span><span class="token punctuation">;</span>
<span class="token keyword">final</span> <span class="token keyword">class</span> <span class="token class-name">Dir</span>
<span class="token punctuation">{</span>

    <span class="token comment" spellcheck="true">/**
     * @param string $dir_name 目录名
     * @return mixed|string
     */</span>
    <span class="token keyword">static</span> <span class="token keyword">public</span> <span class="token keyword">function</span> <span class="token function">dirPath</span><span class="token punctuation">(</span><span class="token variable">$dir_name</span><span class="token punctuation">)</span>
    <span class="token punctuation">{</span>
        <span class="token variable">$dirname</span> <span class="token operator">=</span> <span class="token function">str_ireplace</span><span class="token punctuation">(</span><span class="token string">"\\"</span><span class="token punctuation">,</span> <span class="token string">"/"</span><span class="token punctuation">,</span> <span class="token variable">$dir_name</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
        <span class="token keyword">return</span> <span class="token function">substr</span><span class="token punctuation">(</span><span class="token variable">$dirname</span><span class="token punctuation">,</span> <span class="token string">"-1"</span><span class="token punctuation">)</span> <span class="token operator">==</span> <span class="token string">"/"</span> <span class="token operator">?</span> <span class="token variable">$dirname</span> <span class="token punctuation">:</span> <span class="token variable">$dirname</span> <span class="token punctuation">.</span> <span class="token string">"/"</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>

    <span class="token comment" spellcheck="true">/**
     * 获得扩展名
     * @param string $file 文件名
     * @return string
     */</span>
    <span class="token keyword">static</span> <span class="token keyword">public</span> <span class="token keyword">function</span> <span class="token function">getExt</span><span class="token punctuation">(</span><span class="token variable">$file</span><span class="token punctuation">)</span>
    <span class="token punctuation">{</span>
        <span class="token keyword">return</span> <span class="token function">strtolower</span><span class="token punctuation">(</span><span class="token function">substr</span><span class="token punctuation">(</span><span class="token function">strrchr</span><span class="token punctuation">(</span><span class="token variable">$file</span><span class="token punctuation">,</span> <span class="token string">"."</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token number">1</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>

    <span class="token comment" spellcheck="true">/**
     * 遍历目录内容
     * @param string $dirName 目录名
     * @param string $exts 读取的文件扩展名
     * @param int $son 是否显示子目录
     * @param array $list
     * @return array
     */</span>
    <span class="token keyword">static</span> <span class="token keyword">public</span> <span class="token keyword">function</span> <span class="token function">tree</span><span class="token punctuation">(</span><span class="token variable">$dirName</span> <span class="token operator">=</span> <span class="token keyword">null</span><span class="token punctuation">,</span> <span class="token variable">$exts</span> <span class="token operator">=</span> <span class="token string">''</span><span class="token punctuation">,</span> <span class="token variable">$son</span> <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">,</span> <span class="token variable">$list</span> <span class="token operator">=</span> <span class="token keyword">array</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span>
    <span class="token punctuation">{</span>
        <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token function">is_null</span><span class="token punctuation">(</span><span class="token variable">$dirName</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token variable">$dirName</span> <span class="token operator">=</span> <span class="token string">'.'</span><span class="token punctuation">;</span>
        <span class="token variable">$dirPath</span> <span class="token operator">=</span> self<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token function">dirPath</span><span class="token punctuation">(</span><span class="token variable">$dirName</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
        <span class="token keyword">static</span> <span class="token variable">$id</span> <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span>
        <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token function">is_array</span><span class="token punctuation">(</span><span class="token variable">$exts</span><span class="token punctuation">)</span><span class="token punctuation">)</span>
            <span class="token variable">$exts</span> <span class="token operator">=</span> <span class="token function">implode</span><span class="token punctuation">(</span><span class="token string">"|"</span><span class="token punctuation">,</span> <span class="token variable">$exts</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
        <span class="token keyword">foreach</span> <span class="token punctuation">(</span><span class="token function">glob</span><span class="token punctuation">(</span><span class="token variable">$dirPath</span> <span class="token punctuation">.</span> <span class="token string">'*'</span><span class="token punctuation">)</span> <span class="token keyword">as</span> <span class="token variable">$v</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
            <span class="token variable">$id</span><span class="token operator">++</span><span class="token punctuation">;</span>
            <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token function">is_dir</span><span class="token punctuation">(</span><span class="token variable">$v</span><span class="token punctuation">)</span> <span class="token operator">||</span> <span class="token operator">!</span><span class="token variable">$exts</span> <span class="token operator">||</span> <span class="token function">preg_match</span><span class="token punctuation">(</span><span class="token string">"/\.($exts)/i"</span><span class="token punctuation">,</span> <span class="token variable">$v</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
                <span class="token variable">$list</span> <span class="token punctuation">[</span><span class="token variable">$id</span><span class="token punctuation">]</span> <span class="token punctuation">[</span><span class="token string">'type'</span><span class="token punctuation">]</span> <span class="token operator">=</span> <span class="token function">filetype</span><span class="token punctuation">(</span><span class="token variable">$v</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
                <span class="token variable">$list</span> <span class="token punctuation">[</span><span class="token variable">$id</span><span class="token punctuation">]</span> <span class="token punctuation">[</span><span class="token string">'filename'</span><span class="token punctuation">]</span> <span class="token operator">=</span> <span class="token function">basename</span><span class="token punctuation">(</span><span class="token variable">$v</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
                <span class="token variable">$path</span> <span class="token operator">=</span> <span class="token function">str_replace</span><span class="token punctuation">(</span><span class="token string">"\\"</span><span class="token punctuation">,</span> <span class="token string">"/"</span><span class="token punctuation">,</span> <span class="token function">realpath</span><span class="token punctuation">(</span><span class="token variable">$v</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">.</span> <span class="token punctuation">(</span><span class="token function">is_dir</span><span class="token punctuation">(</span><span class="token variable">$v</span><span class="token punctuation">)</span> <span class="token operator">?</span> <span class="token string">'/'</span> <span class="token punctuation">:</span> <span class="token string">''</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
                <span class="token variable">$list</span> <span class="token punctuation">[</span><span class="token variable">$id</span><span class="token punctuation">]</span> <span class="token punctuation">[</span><span class="token string">'path'</span><span class="token punctuation">]</span><span class="token operator">=</span><span class="token variable">$path</span><span class="token punctuation">;</span>
                <span class="token variable">$list</span> <span class="token punctuation">[</span><span class="token variable">$id</span><span class="token punctuation">]</span> <span class="token punctuation">[</span><span class="token string">'spath'</span><span class="token punctuation">]</span><span class="token operator">=</span><span class="token function">ltrim</span><span class="token punctuation">(</span><span class="token function">str_replace</span><span class="token punctuation">(</span><span class="token function">dirname</span><span class="token punctuation">(</span><span class="token variable">$_SERVER</span><span class="token punctuation">[</span><span class="token string">'SCRIPT_FILENAME'</span><span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">,</span><span class="token string">''</span><span class="token punctuation">,</span><span class="token variable">$path</span><span class="token punctuation">)</span><span class="token punctuation">,</span><span class="token string">'/'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
                <span class="token variable">$list</span> <span class="token punctuation">[</span><span class="token variable">$id</span><span class="token punctuation">]</span> <span class="token punctuation">[</span><span class="token string">'filemtime'</span><span class="token punctuation">]</span> <span class="token operator">=</span> <span class="token function">filemtime</span><span class="token punctuation">(</span><span class="token variable">$v</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
                <span class="token variable">$list</span> <span class="token punctuation">[</span><span class="token variable">$id</span><span class="token punctuation">]</span> <span class="token punctuation">[</span><span class="token string">'fileatime'</span><span class="token punctuation">]</span> <span class="token operator">=</span> <span class="token function">fileatime</span><span class="token punctuation">(</span><span class="token variable">$v</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
                <span class="token variable">$list</span> <span class="token punctuation">[</span><span class="token variable">$id</span><span class="token punctuation">]</span> <span class="token punctuation">[</span><span class="token string">'size'</span><span class="token punctuation">]</span> <span class="token operator">=</span> <span class="token function">is_file</span><span class="token punctuation">(</span><span class="token variable">$v</span><span class="token punctuation">)</span> <span class="token operator">?</span> <span class="token function">filesize</span><span class="token punctuation">(</span><span class="token variable">$v</span><span class="token punctuation">)</span> <span class="token punctuation">:</span> self<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token function">get_dir_size</span><span class="token punctuation">(</span><span class="token variable">$v</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
                <span class="token variable">$list</span> <span class="token punctuation">[</span><span class="token variable">$id</span><span class="token punctuation">]</span> <span class="token punctuation">[</span><span class="token string">'iswrite'</span><span class="token punctuation">]</span> <span class="token operator">=</span> <span class="token function">is_writeable</span><span class="token punctuation">(</span><span class="token variable">$v</span><span class="token punctuation">)</span> <span class="token operator">?</span> <span class="token number">1</span> <span class="token punctuation">:</span> <span class="token number">0</span><span class="token punctuation">;</span>
                <span class="token variable">$list</span> <span class="token punctuation">[</span><span class="token variable">$id</span><span class="token punctuation">]</span> <span class="token punctuation">[</span><span class="token string">'isread'</span><span class="token punctuation">]</span> <span class="token operator">=</span> <span class="token function">is_readable</span><span class="token punctuation">(</span><span class="token variable">$v</span><span class="token punctuation">)</span> <span class="token operator">?</span> <span class="token number">1</span> <span class="token punctuation">:</span> <span class="token number">0</span><span class="token punctuation">;</span>
            <span class="token punctuation">}</span>
            <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token variable">$son</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
                <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token function">is_dir</span><span class="token punctuation">(</span><span class="token variable">$v</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
                    <span class="token variable">$list</span> <span class="token operator">=</span> self<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token function">tree</span><span class="token punctuation">(</span><span class="token variable">$v</span><span class="token punctuation">,</span> <span class="token variable">$exts</span><span class="token punctuation">,</span> <span class="token variable">$son</span> <span class="token operator">=</span> <span class="token number">1</span><span class="token punctuation">,</span> <span class="token variable">$list</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
                <span class="token punctuation">}</span>
            <span class="token punctuation">}</span>
        <span class="token punctuation">}</span>
        <span class="token keyword">return</span> <span class="token variable">$list</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>

    <span class="token keyword">static</span> <span class="token keyword">public</span> <span class="token keyword">function</span> <span class="token function">get_dir_size</span><span class="token punctuation">(</span><span class="token variable">$f</span><span class="token punctuation">)</span>
    <span class="token punctuation">{</span>
        <span class="token variable">$s</span> <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span>
        <span class="token keyword">foreach</span> <span class="token punctuation">(</span><span class="token function">glob</span><span class="token punctuation">(</span><span class="token variable">$f</span> <span class="token punctuation">.</span> '<span class="token comment" spellcheck="true">/*') as $v) {
            $s += is_file($v) ? filesize($v) : self::get_dir_size($v);
        }
        return $s;
    }

    /**
     * 只显示目录树
     * @param null $dirName 目录名
     * @param int $son
     * @param int $pid 父目录ID
     * @param array $dirs 目录列表
     * @return array
     */</span>
    <span class="token keyword">static</span> <span class="token keyword">public</span> <span class="token keyword">function</span> <span class="token function">treeDir</span><span class="token punctuation">(</span><span class="token variable">$dirName</span> <span class="token operator">=</span> <span class="token keyword">null</span><span class="token punctuation">,</span> <span class="token variable">$son</span> <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">,</span> <span class="token variable">$pid</span> <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">,</span> <span class="token variable">$dirs</span> <span class="token operator">=</span> <span class="token keyword">array</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span>
    <span class="token punctuation">{</span>
        <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token operator">!</span><span class="token variable">$dirName</span><span class="token punctuation">)</span> <span class="token variable">$dirName</span> <span class="token operator">=</span> <span class="token string">'.'</span><span class="token punctuation">;</span>
        <span class="token keyword">static</span> <span class="token variable">$id</span> <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span>
        <span class="token variable">$dirPath</span> <span class="token operator">=</span> self<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token function">dirPath</span><span class="token punctuation">(</span><span class="token variable">$dirName</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
        <span class="token keyword">foreach</span> <span class="token punctuation">(</span><span class="token function">glob</span><span class="token punctuation">(</span><span class="token variable">$dirPath</span> <span class="token punctuation">.</span> <span class="token string">"*"</span><span class="token punctuation">)</span> <span class="token keyword">as</span> <span class="token variable">$v</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
            <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token function">is_dir</span><span class="token punctuation">(</span><span class="token variable">$v</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
                <span class="token variable">$id</span><span class="token operator">++</span><span class="token punctuation">;</span>
                <span class="token variable">$dirs</span> <span class="token punctuation">[</span><span class="token variable">$id</span><span class="token punctuation">]</span> <span class="token operator">=</span> <span class="token keyword">array</span><span class="token punctuation">(</span><span class="token string">"id"</span> <span class="token operator">=</span><span class="token operator">></span> <span class="token variable">$id</span><span class="token punctuation">,</span> <span class="token string">'pid'</span> <span class="token operator">=</span><span class="token operator">></span> <span class="token variable">$pid</span><span class="token punctuation">,</span> <span class="token string">"dirname"</span> <span class="token operator">=</span><span class="token operator">></span> <span class="token function">basename</span><span class="token punctuation">(</span><span class="token variable">$v</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token string">"dirpath"</span> <span class="token operator">=</span><span class="token operator">></span> <span class="token variable">$v</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
                <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token variable">$son</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
                    <span class="token variable">$dirs</span> <span class="token operator">=</span> self<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token function">treeDir</span><span class="token punctuation">(</span><span class="token variable">$v</span><span class="token punctuation">,</span> <span class="token variable">$son</span><span class="token punctuation">,</span> <span class="token variable">$id</span><span class="token punctuation">,</span> <span class="token variable">$dirs</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
                <span class="token punctuation">}</span>
            <span class="token punctuation">}</span>
        <span class="token punctuation">}</span>
        <span class="token keyword">return</span> <span class="token variable">$dirs</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>

    <span class="token comment" spellcheck="true">/**
     * 删除目录及文件，支持多层删除目录
     * @param string $dirName 目录名
     * @return bool
     */</span>
    <span class="token keyword">static</span> <span class="token keyword">public</span> <span class="token keyword">function</span> <span class="token function">del</span><span class="token punctuation">(</span><span class="token variable">$dirName</span><span class="token punctuation">)</span>
    <span class="token punctuation">{</span>
        <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token function">is_file</span><span class="token punctuation">(</span><span class="token variable">$dirName</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
            <span class="token function">unlink</span><span class="token punctuation">(</span><span class="token variable">$dirName</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
            <span class="token keyword">return</span> <span class="token boolean">true</span><span class="token punctuation">;</span>
        <span class="token punctuation">}</span>
        <span class="token variable">$dirPath</span> <span class="token operator">=</span> self<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token function">dirPath</span><span class="token punctuation">(</span><span class="token variable">$dirName</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
        <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token operator">!</span><span class="token function">is_dir</span><span class="token punctuation">(</span><span class="token variable">$dirPath</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token keyword">return</span> <span class="token boolean">true</span><span class="token punctuation">;</span>
        <span class="token keyword">foreach</span> <span class="token punctuation">(</span><span class="token function">glob</span><span class="token punctuation">(</span><span class="token variable">$dirPath</span> <span class="token punctuation">.</span> <span class="token string">"*"</span><span class="token punctuation">)</span> <span class="token keyword">as</span> <span class="token variable">$v</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
            <span class="token function">is_dir</span><span class="token punctuation">(</span><span class="token variable">$v</span><span class="token punctuation">)</span> <span class="token operator">?</span> self<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token function">del</span><span class="token punctuation">(</span><span class="token variable">$v</span><span class="token punctuation">)</span> <span class="token punctuation">:</span> <span class="token function">unlink</span><span class="token punctuation">(</span><span class="token variable">$v</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
        <span class="token punctuation">}</span>
        <span class="token keyword">return</span> @<span class="token function">rmdir</span><span class="token punctuation">(</span><span class="token variable">$dirName</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>

    <span class="token comment" spellcheck="true">/**
     * 批量创建目录
     * @param $dirName 目录名数组
     * @param int $auth 权限
     * @return bool
     */</span>
    <span class="token keyword">static</span> <span class="token keyword">public</span> <span class="token keyword">function</span> <span class="token function">create</span><span class="token punctuation">(</span><span class="token variable">$dirName</span><span class="token punctuation">,</span> <span class="token variable">$auth</span> <span class="token operator">=</span> <span class="token number">0755</span><span class="token punctuation">)</span>
    <span class="token punctuation">{</span>
        <span class="token variable">$dirPath</span> <span class="token operator">=</span> self<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token function">dirPath</span><span class="token punctuation">(</span><span class="token variable">$dirName</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
        <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token function">is_dir</span><span class="token punctuation">(</span><span class="token variable">$dirPath</span><span class="token punctuation">)</span><span class="token punctuation">)</span>
            <span class="token keyword">return</span> <span class="token boolean">true</span><span class="token punctuation">;</span>
        <span class="token variable">$dirs</span> <span class="token operator">=</span> <span class="token function">explode</span><span class="token punctuation">(</span><span class="token string">'/'</span><span class="token punctuation">,</span> <span class="token variable">$dirPath</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
        <span class="token variable">$dir</span> <span class="token operator">=</span> <span class="token string">''</span><span class="token punctuation">;</span>
        <span class="token keyword">foreach</span> <span class="token punctuation">(</span><span class="token variable">$dirs</span> <span class="token keyword">as</span> <span class="token variable">$v</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
            <span class="token variable">$dir</span> <span class="token punctuation">.</span><span class="token operator">=</span> <span class="token variable">$v</span> <span class="token punctuation">.</span> <span class="token string">'/'</span><span class="token punctuation">;</span>
            <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token function">is_dir</span><span class="token punctuation">(</span><span class="token variable">$dir</span><span class="token punctuation">)</span><span class="token punctuation">)</span>
                <span class="token keyword">continue</span><span class="token punctuation">;</span>
            <span class="token function">mkdir</span><span class="token punctuation">(</span><span class="token variable">$dir</span><span class="token punctuation">,</span> <span class="token variable">$auth</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
        <span class="token punctuation">}</span>
        <span class="token keyword">return</span> <span class="token function">is_dir</span><span class="token punctuation">(</span><span class="token variable">$dirPath</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token punctuation">}</span>

    <span class="token comment" spellcheck="true">/**
     * 复制目录
     * @param string $olddir 原目录
     * @param string $newdir 目标目录
     * @param bool $strip_space 去空白去注释
     * @return bool
     */</span>
    <span class="token keyword">static</span> <span class="token keyword">public</span> <span class="token keyword">function</span> <span class="token function">copy</span><span class="token punctuation">(</span><span class="token variable">$olddir</span><span class="token punctuation">,</span> <span class="token variable">$newdir</span><span class="token punctuation">,</span> <span class="token variable">$strip_space</span> <span class="token operator">=</span> <span class="token boolean">false</span><span class="token punctuation">)</span>
    <span class="token punctuation">{</span>
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    <span class="token comment" spellcheck="true">/**
     * 目录下创建安全文件
     * @param $dirName 操作目录
     * @param bool $recursive 为true会递归的对子目录也创建安全文件
     */</span>
    <span class="token keyword">static</span> <span class="token keyword">public</span> <span class="token keyword">function</span> <span class="token function">safeFile</span><span class="token punctuation">(</span><span class="token variable">$dirName</span><span class="token punctuation">,</span> <span class="token variable">$recursive</span> <span class="token operator">=</span> <span class="token boolean">false</span><span class="token punctuation">)</span>
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            <span class="token keyword">return</span><span class="token punctuation">;</span>
        <span class="token punctuation">}</span>
        <span class="token variable">$dirPath</span> <span class="token operator">=</span> self<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token function">dirPath</span><span class="token punctuation">(</span><span class="token variable">$dirName</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
        <span class="token comment" spellcheck="true">/**
         * 创建安全文件
         */</span>
        <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token operator">!</span><span class="token function">is_file</span><span class="token punctuation">(</span><span class="token variable">$dirPath</span> <span class="token punctuation">.</span> <span class="token string">'index.html'</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
            <span class="token function">copy</span><span class="token punctuation">(</span><span class="token variable">$file</span><span class="token punctuation">,</span> <span class="token variable">$dirPath</span> <span class="token punctuation">.</span> <span class="token string">'index.html'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
        <span class="token punctuation">}</span>
        <span class="token comment" spellcheck="true">/**
         * 操作子目录
         */</span>
        <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token variable">$recursive</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
            <span class="token keyword">foreach</span> <span class="token punctuation">(</span><span class="token function">glob</span><span class="token punctuation">(</span><span class="token variable">$dirPath</span> <span class="token punctuation">.</span> <span class="token string">"*"</span><span class="token punctuation">)</span> <span class="token keyword">as</span> <span class="token variable">$d</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
                <span class="token function">is_dir</span><span class="token punctuation">(</span><span class="token variable">$d</span><span class="token punctuation">)</span> <span class="token keyword">and</span> self<span class="token punctuation">:</span><span class="token punctuation">:</span><span class="token function">safeFile</span><span class="token punctuation">(</span><span class="token variable">$d</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
            <span class="token punctuation">}</span>
        <span class="token punctuation">}</span>
    <span class="token punctuation">}</span>

<span class="token punctuation">}</span></code></pre>

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